Figure 2 – Garland 200 User Manual

Page 33

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background image

Part # MCOSM06 Rev 1 (11/03/08)

Page 33

Figure 2

No

Yes

Yes

No

Maximum

number of trials

attempted?

Yes

No

Yes

No

Yes

No

Yes

De-energize

control and valves

No

Sixteenth

flameout?

Control with

ignition

recycle?

Ignition lockout

(optional LED

flashes)

Yes

No

Recycle delay

period

Shutoff

Flame present when

not expected

Hard Lockout

(optional LED

turns off)

Start

Thermostat

call forheat

Prepurge

Flame

present for

30 seconds?

Detected fault

Trial for

ignition

Pilot

flame

sensed?

Energize

main valve

Run

Thermostat

calling for heat?

Flameout?

Interpurge

End

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